Page({
  data:{
    img:"",
    product_name:"",
    desc:"",
    order_id:"",
    order_number:"",
    price:"",
    shop_name:"",
    open_id:""
  },
  onLoad:function(e){
    var self=this;
    wx.showLoading();
    this.data.img=e.img;
    this.data.product_name=e.product_name;
    this.data.desc=e.desc;
    this.data.order_id=e.order_id;
    this.data.order_number=e.order_number;
    this.data.price=e.price;
    this.setData({
      img:e.img,
      product_name:e.product_name,
      desc:e.desc,
      order_number:e.order_number,
      price:e.price,
      shop_name:e.shop_name
    })
    if(e.desc=="''"){
      wx.request({
        url:"https://wx.ichelaba.com/htapi/index.php/user/order/getProductInfo",
        data:{
          product_id:e.product_id
        },
        method:"GET",
        success:function(res){
          console.log(res)
          self.setData({
            desc:res.data.desc
          })
        }
      })
    }
     wx.login({  
      success: function (loginCode) {  
        var appid = 'wxff13ea837541a1db'; //填写微信小程序appid  
        var secret = 'fa8f70abef2f0e57d9a25bd7b71cb028'; //填写微信小程序secret  
        console.log(loginCode)
        wx.request({  
          url: 'https://wx.ichelaba.com/htapi/index.php/user/user/getOpenId', 
          data:{
            code:loginCode.code
          },
          dataType:"json",
          success: function(res) { 
            console.log(res)
            self.data.open_id=res.data.openid; 
            console.log(self.data.open_id,res.openid)
            wx.hideLoading(); 
          }  
        })  
        
      }  
    })  
  },
  tap_FN:function(){
    var self=this;
    wx.request({
      url:"https://wx.ichelaba.com/htapi/index.php/store/pay/paying",
      data:{
        user_id:wx.getStorageSync("user_id"),
        id: self.data.order_id,
        openid:self.data.open_id
      },
      dataType:"json",
      method:"GET",
      success:function(res){
        console.log(res)
        console.log(res.data.list.prepay_id)
        /*
         * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
         * Digest Algorithm, as defined in RFC 1321.
         * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
         * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
         * Distributed under the BSD License
         * See http://pajhome.org.uk/crypt/md5 for more info.
         */

        /*
         * Configurable variables. You may need to tweak these to be compatible with
         * the server-side, but the defaults work in most cases.
         */
          var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
          var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
          var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

        /*
         * These are the functions you'll usually want to call
         * They take string arguments and return either hex or base-64 encoded strings
         */
          function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
          function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
          function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
          function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
          function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
          function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

        /*
         * Perform a simple self-test to see if the VM is working
         */
          function md5_vm_test()
          {
              return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
          }

        /*
         * Calculate the MD5 of an array of little-endian words, and a bit length
         */
          function core_md5(x, len)
          {
            /* append padding */
              x[len >> 5] |= 0x80 << ((len) % 32);
              x[(((len + 64) >>> 9) << 4) + 14] = len;

              var a =  1732584193;
              var b = -271733879;
              var c = -1732584194;
              var d =  271733878;

              for(var i = 0; i < x.length; i += 16)
              {
                  var olda = a;
                  var oldb = b;
                  var oldc = c;
                  var oldd = d;

                  a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
                  d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
                  c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
                  b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
                  a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
                  d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
                  c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
                  b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
                  a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
                  d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
                  c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
                  b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
                  a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
                  d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
                  c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
                  b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

                  a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
                  d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
                  c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
                  b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
                  a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
                  d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
                  c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
                  b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
                  a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
                  d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
                  c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
                  b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
                  a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
                  d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
                  c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
                  b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

                  a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
                  d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
                  c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
                  b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
                  a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
                  d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
                  c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
                  b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
                  a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
                  d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
                  c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
                  b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
                  a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
                  d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
                  c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
                  b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

                  a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
                  d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
                  c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
                  b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
                  a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
                  d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
                  c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
                  b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
                  a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
                  d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
                  c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
                  b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
                  a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
                  d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
                  c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
                  b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

                  a = safe_add(a, olda);
                  b = safe_add(b, oldb);
                  c = safe_add(c, oldc);
                  d = safe_add(d, oldd);
              }
              return Array(a, b, c, d);

          }

        /*
         * These functions implement the four basic operations the algorithm uses.
         */
          function md5_cmn(q, a, b, x, s, t)
          {
              return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
          }
          function md5_ff(a, b, c, d, x, s, t)
          {
              return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
          }
          function md5_gg(a, b, c, d, x, s, t)
          {
              return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
          }
          function md5_hh(a, b, c, d, x, s, t)
          {
              return md5_cmn(b ^ c ^ d, a, b, x, s, t);
          }
          function md5_ii(a, b, c, d, x, s, t)
          {
              return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
          }

        /*
         * Calculate the HMAC-MD5, of a key and some data
         */
          function core_hmac_md5(key, data)
          {
              var bkey = str2binl(key);
              if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

              var ipad = Array(16), opad = Array(16);
              for(var i = 0; i < 16; i++)
              {
                  ipad[i] = bkey[i] ^ 0x36363636;
                  opad[i] = bkey[i] ^ 0x5C5C5C5C;
              }

              var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
              return core_md5(opad.concat(hash), 512 + 128);
          }

        /*
         * Add integers, wrapping at 2^32. This uses 16-bit operations internally
         * to work around bugs in some JS interpreters.
         */
          function safe_add(x, y)
          {
              var lsw = (x & 0xFFFF) + (y & 0xFFFF);
              var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
              return (msw << 16) | (lsw & 0xFFFF);
          }

        /*
         * Bitwise rotate a 32-bit number to the left.
         */
          function bit_rol(num, cnt)
          {
              return (num << cnt) | (num >>> (32 - cnt));
          }

        /*
         * Convert a string to an array of little-endian words
         * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
         */
          function str2binl(str)
          {
              var bin = Array();
              var mask = (1 << chrsz) - 1;
              for(var i = 0; i < str.length * chrsz; i += chrsz)
                  bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
              return bin;
          }

        /*
         * Convert an array of little-endian words to a string
         */
          function binl2str(bin)
          {
              var str = "";
              var mask = (1 << chrsz) - 1;
              for(var i = 0; i < bin.length * 32; i += chrsz)
                  str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
              return str;
          }

        /*
         * Convert an array of little-endian words to a hex string.
         */
          function binl2hex(binarray)
          {
              var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
              var str = "";
              for(var i = 0; i < binarray.length * 4; i++)
              {
                  str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
                      hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
              }
              return str;
          }

        /*
         * Convert an array of little-endian words to a base-64 string
         */
          function binl2b64(binarray)
          {
              var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
              var str = "";
              for(var i = 0; i < binarray.length * 4; i += 3)
              {
                  var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                      | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                      |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
                  for(var j = 0; j < 4; j++)
                  {
                      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
                      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
                  }
              }
              return str;
          }
          var timeStamp = (Date.parse(new Date()) / 1000).toString();

          wx.requestPayment({
              'timeStamp': timeStamp,
              'nonceStr': res.data.list.nonce_str,
              'package': 'prepay_id=' + res.data.list.prepay_id,
              'signType': 'MD5',
              'paySign': hex_md5('appId='+res.data.list.appid+'&nonceStr='+res.data.list.nonce_str+'&package=prepay_id='+res.data.list.prepay_id+'&signType=MD5&timeStamp='+timeStamp+"&key=fa8f70abef2f0e57d9a25bd7b71cb028").toUpperCase(),
              'success':function(r){
                  console.log(r);
                  console.log('success');
              },
           'fail':function(r){
              console.log(r);
              console.log('fail');
           }
        })
      }
    })
  }
})